Home / 67,294.02-100,960.74-19,910.31

Finding the Fourth Proportional to 67,294.02, 100,960.74 and 19,910.31

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Solution

The fourth proportional to 67,294.02, 100,960.74 and 19,910.31 is: 29,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,294.02 : 100,960.74 = 19,910.31 : x
  2. Step 2: Convert to fraction form
    67,294.02/100,960.74 = 19,910.31/x
  3. Step 3: Cross multiply
    67,294.02x = 100,960.74 × 19,910.31
  4. Step 4: Simplify right side
    67,294.02x = 2,010,159,631.23
  5. Step 5: Solve for x
    x = 2,010,159,631.23/67,294.02
  6. Step 6: Final answer
    x = 29,871.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.